*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
input{
    outline:none;
}
html,
body{
    height: 100%;
}
body{
    display: flex;
    background: linear-gradient(to right,rgb(225, 97, 97),rgb(49, 141, 206));
  
}
.box{
   width: 1050px;
   height: 600px;
   display: flex;
   position: relative;
   /*background-color: #fff;*/
   margin: auto;
   border-radius: 8px;
   border: 1px solid rgba(255,255,255 .6);
   box-shadow: 4px 4px 3px rgba(0,0,0,.1);
}
.pre-box{
    width: calc(1050px / 2);
    height: 100%;
    left: 0;
    top: 0;
    position: absolute;
    border-radius: 4px;
    background-color: rgb(253, 163, 163);
    box-shadow: 4px 4px 3px rgba(0,0,0,.1) ;
}
.pre-box h1{
    margin-top: 100px;
    text-align: center;
    letter-spacing: 5px;
    color: white;
    text-shadow: 4px 4px 3px rgba(0,0,0,.1);
}
.pre-box p{
    height: 30px;
    line-height: 30px;
    text-align: center;
    margin: 20px 0;
    font-weight: bold;
    color: white;
    text-shadow: 4px 4px 3px rgba(0,0,0,.1);
}
.img-box{
    width: 200px;
    height: 200px;
    margin: 20px auto;
    border-radius:50% ;
    overflow: hidden;
    box-shadow: 4px 4px 3px rgba(0,0,0,.1);
    user-select: none;
}
.img-box img{
    width: 120%;
}
.login-form,
.reginster-form
{
    flex: 1;
    height: 100%;
}
.title-box{
    height: 250px;
    line-height: 400px;
}
.title-box h1{
    text-align: center;
    letter-spacing: 5px;
    text-shadow: 4px 4px 3px rgba(0,0,0,.1);
    color: white;
    user-select: none;
}
.input-box{
    display: flex;
    flex-direction: column;
    align-items: center;
}
input{
    width: 70%;
    height: 30px;
    margin-bottom: 20px;
    text-indent: 4px;
    border: 1px solid#eb8d65;
    border-radius: 4px;
}
input:focus{
    color: #219ff2;
}
input:focus::placeholder{
    opacity: 0;
}
.btn-box{
    display: flex;
    justify-content: center;

}
button{
    width:100px;
    height: 30px;
    margin: 0 7px;
    line-height: 30px;
    border:none;
    border-radius: 4px;
    background-color: #8abcf0;
    color:white;
}
button:hover{
    cursor: pointer;
    opacity: .8;
}
.btn-box p{
    height: 30px;
    line-height: 30px;
    font-size: 14px;
    color: white;
}
.btn-box p:hover{
    cursor: pointer;
    border-bottom: 1px solid white;
}